package indi.zhifa.recipe.bailan.framework.web.common.filter;

import indi.zhifa.recipe.bailan.framework.common.entity.annotations.OriginalControllerReturnValue;
import indi.zhifa.recipe.bailan.framework.common.entity.annotations.ZfRestController;
import indi.zhifa.recipe.bailan.framework.common.entity.dto.RestResponse;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

import java.lang.annotation.Annotation;

@RestControllerAdvice(annotations ={ZfRestController.class})
public class GlobalRestfulResponseBodyAdvice implements ResponseBodyAdvice<Object> {
    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        Annotation originalControllerReturnValue = returnType.getMethodAnnotation(OriginalControllerReturnValue.class);
        if (originalControllerReturnValue != null) {
            return false;
        }
        return true;
    }
    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if ( body instanceof RestResponse){
            return body;
        }
        if( body instanceof String){
            return body;
        }
        return RestResponse.ok(body);
    }
}
